{"id":744516,"date":"2024-08-20T19:03:59","date_gmt":"2024-08-20T18:03:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=744516"},"modified":"2024-08-20T19:03:59","modified_gmt":"2024-08-20T18:03:59","slug":"%e6%b0%a2%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b0%a2%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u7684\u70ed\u4f20\u9012"},"content":{"rendered":"<p class=\"sidekick\">\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u4e86\u89e3\u6c22\u71c3\u6599\u7535\u6c60\u5982\u4f55\u901a\u8fc7\u70ed\u4f20\u9012\u6765\u63d0\u9ad8\u6548\u7387\uff0c\u63a2\u7d22\u5176\u5728\u80fd\u6e90\u8f6c\u6362\u4e2d\u7684\u5e94\u7528\u53ca\u4f18\u52bf\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u7684\u70ed\u4f20\u9012.png\" alt=\"\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u7684\u70ed\u4f20\u9012\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u7684\u70ed\u4f20\u9012<\/h2>\n<p>\u6c22\u71c3\u6599\u7535\u6c60\u662f\u4e00\u79cd\u5c06\u6c22\u548c\u6c27\u7684\u5316\u5b66\u80fd\u76f4\u63a5\u8f6c\u5316\u4e3a\u7535\u80fd\u7684\u88c5\u7f6e\uff0c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u6c34\u548c\u70ed\u91cf\u3002\u4e3a\u4e86\u63d0\u9ad8\u71c3\u6599\u7535\u6c60\u7684\u6548\u7387\u548c\u5bff\u547d\uff0c\u7406\u89e3\u548c\u7ba1\u7406\u70ed\u4f20\u9012\u8fc7\u7a0b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6c22\u71c3\u6599\u7535\u6c60\u4e2d\u70ed\u4f20\u9012\u7684\u57fa\u672c\u539f\u7406\u548c\u8fc7\u7a0b\u3002<\/p>\n<h2>1. 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\u70ed\u4f20\u9012\u65b9\u7a0b<\/h2>\n<p>\u5728\u70ed\u4f20\u9012\u5206\u6790\u4e2d\uff0c\u5e38\u7528\u4ee5\u4e0b\u57fa\u672c\u65b9\u7a0b\u6765\u63cf\u8ff0\u4e0d\u540c\u65b9\u5f0f\u7684\u70ed\u4f20\u9012\uff1a<\/p>\n<p><u1><\/p>\n<li>\u5085\u91cc\u53f6\u70ed\u4f20\u5bfc\u5b9a\u5f8b\uff1a\\[ q = -k \\frac{\\partial T}{\\partial x} \\] \u5176\u4e2d\uff0c\\( k \\) \u662f\u70ed\u5bfc\u7387\uff0c\\( T \\) \u662f\u6e29\u5ea6\uff0c\\( x \\) \u662f\u4f4d\u7f6e\u3002<\/li>\n<li>\u725b\u987f\u51b7\u5374\u5b9a\u5f8b\uff1a\\[ q = h A (T_s &#8211; T_\\infty) \\] \u5176\u4e2d\uff0c\\( h \\) \u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0c\\( A \\) \u662f\u8868\u9762\u79ef\uff0c\\( T_s \\) \u662f\u8868\u9762\u6e29\u5ea6\uff0c\\( T_\\infty \\) \u662f\u6d41\u4f53\u8fdc\u5904\u6e29\u5ea6\u3002<\/li>\n<li>\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u8f90\u5c04\u5b9a\u5f8b\uff1a\\[ q = \\epsilon \\sigma A (T_1^4 &#8211; T_2^4) \\] \u5176\u4e2d\uff0c\\( \\epsilon \\) 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